13:45 พ. 19 ม.ค.3 67%lailaaanu – pioneer.netserv.chula.ac.th1 จาก 12300 N3/8 The 50-kg block at A is mounted on rollers so that itmoves along the fixed horizontal rail with negligible0.9 mAfriction under the action of the constant 300-N force inВthe cable. The block is released from rest at A, with thespring to which it is attached extended an initial amount1.2 mX, = 0.233 m. The spring has a stiffness k = 80 N/m.%3DCalculate the velocity v of the block as it reachesthposition B. [Engineering Mechanics Dynamics 5" edition,Meriam & Kraige, Ex.3/13]Dynamics/ Chapter 3 Kinetics of Particles12

Answered: Image /qna-images/answer/e86c1fca-973d-4c31-9959-0571457b9c07.jpg

300 N 3/8 The 50-kg block at A is mounted on rollers so that it moves along the fixed horizontal rail with negligible 0.9 m friction under the action of the constant 300-N force in B the cable. The block is released from rest at A, with the ecelece spring to which it is attached extended an initial amount 1.2 m x, = 0.233 m. The spring has a stiffnessk = 80 N/m. Calculate the velocity v of the block as it reaches position B. [Engineering Mechanics Dynamics 5" edition, Meriam & Kraige, Ex.3/13]

300 N 3/8 The 50-kg block at A is mounted on rollers so that it moves along the fixed horizontal rail with negligible 0.9 m friction under the action of the constant 300-N force in B the cable. The block is released from rest at A, with the ecelece spring to which it is attached extended an initial amount 1.2 m x, = 0.233 m. The spring has a stiffnessk = 80 N/m. Calculate the velocity v of the block as it reaches position B. [Engineering Mechanics Dynamics 5" edition, Meriam & Kraige, Ex.3/13]

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

The coefficient of kinetic friction between the m = 10.4 kg crate and the plane is u = 0.3. Initially, the crate is at the position 1 on the horizontal plane with a velocity v, = 14.8 m/s. The crate moves a distance D = 4 m before going upward on the incline plane that has an angle with the horizontal of e = 35 degrees. The initial state and the state at the bottom of the incline plane are at h = 0 m. Determine the distance L the crate will travel upward where it will be at rest. g = 9.81 m/s?. h Position 1 13.626 m O 12.161 m O 15.091 m O 10.052 m
6/4 The coefficients of statie and kinetic frietion between the 100-kg block and the inclined plane are 0.30 and 0.20, respectively. Determine (a) the friction force F acting on the block when P is applied with a magni- tude of 200 N to the block at rest, (6) the force P required to initiate motion up the incline from rest, and (e) the friction force F acting on the block if P 600 N. 100 kg 20 , = 0.30 H=0.20 15 Problem 6/4
Q5: The 15 kg cylinder rotates with an angular velocity of 40 rad/s. If a force F = 6 N is applied to the AB bar, as indicated, determine the time required to stop rotation. The coefficient of kinetic friction between the bar and the cylinder is 0.4. Disregard the thickness of the bar. F = 6N 400 mm- 500 mm B 150 mm-
Fial I The figure shows a body consist of two segments which are a rod AB and a disk with weights of 4-lb and 11-lb respectively. The body is attched with a spring. The roller 1 ft k = 8 lb/ft Datum at C allows the spring to remain vertical as the rod falls. B A The length of the unstretched spring is 0.85 ft. If the body is released from rest and rotates CW about point B, 1 ft 3 ft determine the following: (Assume the datum at point B) 0.25 ft 1. The potential energy of the spring when the body is horizontal. 2. The potential energy due to gravity when the body is horizontal. 3. The potential energy of the spring when the body is vertical. 4. The potential energy due to gravity when the body is vertical. 5. The angular velocity at the instant the body becomes vertical.
First Burglars in the system of figures started to move, each 22.7 kg mass which, 45 N luke T force under the effect of R = 324 mm diameter at t second 169 cycles / minute health reaches an angular velocity. Since the radius of the pulley is r=135 mm , find t ignoring the friction and all masses except the four masses . Response:
2. The two blocks are attached to each other by a massless string that is wrapped around a frictionless pulley as shown in figure-2. When the bottom 4.00 kg block is pulled to the left by the constant force P = 45 N, the top 2.00 kg block slides across it to the right. Assume that the coefficient of kinetic friction between all surfaces is µk = 0.400 2.0 kg 4.0 kg
A man pushes the lawn mower at a steady speed with aforce P that is parallel to the incline. The mass of themower with attached grass bag is 50 kg with mass centerat G. If  = 15°, determine the normal forces NB and NCunder each pair of wheels B and C. Neglect friction. (useg = 9.81 m/s2)
The 10-kg block shown in the figure below rests on the smooth incline. If the spring is originally stretched 0.5 m, determine the velocity of the block when a horizontal force P = 400 N pushes it up the plane s = 2 m
The velocity of the 7.6-kg cylinder is 0.49 m/s at a certain instant. What is its speed v after dropping an additional 1.87 m? The mass of the grooved drum is m = 10.1 kg, its centroidal radius of gyration is k = 260 mm, and the radius of its groove is r; = 225 mm. The frictional moment at O is a constant 15.3 N-m. Assume r, = 345 mm. m Answer: v = i m/s
The sports car of center of mass at G a mass of 2 Mg shown in the figure below is traveling at a constant acceleration of ag = 1.59 m/s². Neglect the mass of the wheels. The coefficient of friction between the wheels and the road is = 0.25. If the engine of the car only drives the rear wheels, whereas the front wheels are free rolling, determine the normal reactions exerted road on the pairs of the wheels at A and at B. A-1.25m+ 0.3 m B -0.75 m Select one: OA N₁= 8.66 kN, and Ne 10.92 kN OB NA 16.88 kN, and Ng 2.7 kN OC NA 10.88 kN, and Ng 8.7 kN OD. NA 6.88 kN, and Ne = 12.7 KN The 200-mm-radius brake drum is attached to a larger flywheel. The total mass moment of inertia of the flywheel and drum is 19 kg.m² and the coefficient of kinetic friction between the dr
The spring-mounted 0.97-kg collar A oscillates along the horizontal rod, which is rotating at the constant angular rate 0 = 5.8 rad/s. At a certain instant, r is increasing at the rate of 910 mm/s. If the coefficient of kinetic friction between the collar and the rod is 0.68, calculate the friction force F exerted by the rod on the collar at this instant. Vertical Com Answer: Fi N